diff --git a/src/mainboard/system76/adl-p/variants/oryp9/overridetree.cb b/src/mainboard/system76/adl-p/variants/oryp9/overridetree.cb
index 97a29dc7af..585f34a3f9 100644
--- a/src/mainboard/system76/adl-p/variants/oryp9/overridetree.cb
+++ b/src/mainboard/system76/adl-p/variants/oryp9/overridetree.cb
@@ -1,8 +1,10 @@
 chip soc/intel/alderlake
+	# FIXME: Limit PL4 to PL2 to prevent power off on battery power
+	# EC will set PL4 on AC adapter plug/unplug
 	register "power_limits_config[ADL_P_642_682_45W_CORE]" = "{
 		.tdp_pl1_override = 45,
 		.tdp_pl2_override = 115,
-		.tdp_pl4 = 180,
+		.tdp_pl4 = 115,
 	}"
 
 	# Thermal